Steam Boilers, Engines, Nozzles and Turbines The shell of the Cochran boiler is made hemispherical None of these Both (A) and (B) To withstand the pressure of steam inside the boiler To give maximum space and strength None of these Both (A) and (B) To withstand the pressure of steam inside the boiler To give maximum space and strength ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is used to blow off steam when the Water level in the boiler becomes too low Steam pressure exceeds the working pressure Both (A) and (B) None of these Water level in the boiler becomes too low Steam pressure exceeds the working pressure Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler stays are used to Provide support for boiler Take care of failure in shear Take care of failure in compression Prevent flat surfaces under pressure from tearing apart Provide support for boiler Take care of failure in shear Take care of failure in compression Prevent flat surfaces under pressure from tearing apart ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₂/p₁ p₁ + p₂ p₁/p₂ p₁. p₂ p₂/p₁ p₁ + p₂ p₁/p₂ p₁. p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Safety valve Stop valve Blow off cock Fusible plug Safety valve Stop valve Blow off cock Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder Decreases the efficiency of the engine All of these Increases the mean effective pressure Increases the workdone Decreases the efficiency of the engine All of these Increases the mean effective pressure Increases the workdone ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS